You may wish to allow users to capture an image of a drawing and attach it to a document field. For example, users may want to save a zoomed drawing, or save a drawing with a redline. To do so, add a Capture Image button to a view, to convert any drawing in the view to a common image format, and store the drawing in an image file.
To create an image from a drawing, the system traverses the page's Document Object Model (DOM) to gather information on the elements there. It uses the information to build a representation of the page. It does not take a screenshot of the page, but builds a representation of the page based on properties it reads from the DOM.
The image below shows the Capture Image button highlighted in yellow at the upper right.
To add this action, use:
<action id="captureImage">
<title>Capture Image</title>
<command type="captureDrawingImage" id="drawingDivId"
displayImage="true” functionName="control.captureImageCallback"/>
</action>
displayImage is an optional parameter. The setting allows you to control whether or not to display the generated PNG image in a separate browser window. The default is true. functionName allows you to specify a callback function.
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